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Post by yohayr on Access Violation sherd memory ^{CODESYS Forge} ^talk ^(Post)
Hi, once in a while I get an Access Violation exception in Sherd memory pointer. the strange thing is that I protect the pointer dereference and I get this exception 1 line after the protection. I added photos of the exception can someone tell me what is that about?
Last updated: 2025-11-25

Post by bdschnapp on OPC-UA ApplicationUri / ProductUri ^{CODESYS Forge} ^talk ^(Post)
From Codesys support: The format of the URN is always the same. It's always urn:<vendor>:<product>:OPCUA:Server. What I think you can influence the vendor and product (DeviceName) through settings in the runtime cfg file:</product></vendor> [SysTarget] VendorNameUnicode="T\00E\00S\00T\00" DeviceNameUnicode="t\00e\00s\00t\00" Note that these are 16-bit strings, thus the ASCII padded with nulls
Last updated: 2026-03-17

Post by malie on Codesys 3.5.21.3 add Library search not work ^{CODESYS Forge} ^talk ^(Post)
Hello, i am not getting any results in add library. On 3.5.19.7 i got results. I tried on different machines on windows 10 and windows 11. Repair install and complete new install of codesys 3.5.21.3 dose not help. I can select and import libraries, that work. What am i doing wrong? That has always worked flawless till 3.5.21.3.
Last updated: 2026-01-20

Post by yoeri on Python Scripted Save_Archive with noUI ^{CODESYS Forge} ^talk ^(Post)
Is there any update on this? Running codesys 3.5.19.70 proj = projects.open(project_path, primary=True, update_flags=flags) This gives an error only when using --noUI exception System.NullReferenceException: Traceback (most recent call last): File "C:\Project\ci\build.py", line 14, in <module> SystemError: Object reference not set to an instance of an object. Exit code: 1</module>
Last updated: 2026-01-30

Post by davidbo on Two licenses have to be installed forgot to enable one license ^{CODESYS Forge} ^talk ^(Post)
I have to install "Basic M" and "Visualization M", but it seems that during installation of "Basic M" you have to enable "Visualization S" I assume if you here after want to install my "Visualization M". And I forgot to enable "Visualization S" How do I fix that?
Last updated: 2026-02-02

Post by davidbo on Two licenses have to be installed forgot to enable one license ^{CODESYS Forge} ^talk ^(Post)
Raspberry Pi MC Application based license: CODESYS Control Standard M CODESYS Visualization M (Could not be installed) CODESYS Control Standard M pops up with a dialog window where I can select 3 bundled licenses one of which is "Visu S" which I didn't select
Last updated: 2026-02-03

Post by gseidel on Absolute movement controlled by an external encoder. ^{CODESYS Forge} ^talk ^(Post)
Hi polyautomacao, hmm, did you tune the PD parameters as shown in the link I posted above? One thing that could cause the behavior are bad parameters. I also don't understand the screen shot: when you hold the encoder to 0, why is the actual position of the DrivePosControl -208? Best regards, Georg
Last updated: 2026-03-27

Post by nguyenbao on file library ifm CR2033 .lib in the CODESYS v2.3 ^{CODESYS Forge} ^talk ^(Post)
Hello everyone, I have a program file that uses the CR2033 module of iFM. I noticed that the program uses the CR2033 function, but in the CodeSystem software I installed from the file downloaded from iFM, I couldn't find the library containing this function. Where can I find the CR2033_XX.lib library?
Last updated: 2026-04-22

Post by timvh on Issue with library updates ^{CODESYS Forge} ^talk ^(Post)
tried this with SP22 P1 and I see no issues related to this. Can install the updated library in the repository, automatically get a message in my project that a new version is loaded and when I login, get a message to do an online change and see the new behaviour of the changes in my library.
Last updated: 2026-04-25

Post by nulltrace on PM556-TP-ETH — How to change IP address without overwriting the PLC program? ^{CODESYS Forge} ^talk ^(Post)
Depending on the Project, the used Communication-Protocol's, the way how the System was designed, there are some Options if you can answer these Question properly The Question is: are you able to connect to the Shell / Systemprompt of this PLC with administrative Rights?
Last updated: 2026-05-20

Post by dekelec on Codesys 2.3 & Peak PCAN ^{CODESYS Forge} ^talk ^(Post)
I use Peak USB adapter daily to download from CoDeSys 2.3 and 3.5 to IFM, EPEC and other controllers. The process: - First you need to install the appropriate driver. Link: https://www.peak-system.com/Drivers.523.0.html?&L=1 - Restart the computer - Start the CoDeSys application - Change the name of the adapter in Communication parameters, as mentioned in previous comment. Write the name exactly as written "Peak_USB", as it could also be case sensitive (defines which .dll file to use). If this doesn't work I would contact the vendor of the controller to find out the procedure. In the attachment I've added a FAQ document from IFM regarding using PCAN USB. P.S. I've noticed in your picture of communication parameters a channel via TCP/IP is mentioned. In this case a USB to CAN connection is not being used. First you should change the channel/gateway to connect via CANbus or connect using an Ethernet cable.
Last updated: 2024-07-09

Post by mecmag on gear over gear (2 masters,1 slave) - how to do it? ^{CODESYS Forge} ^talk ^(Post)
Hello, i need to create an application that uses 2 masters, with 2 different ratios, and it outputs in one single slave. I explain better: Imagine axis A, B and C. -Axis A is the slave. -Axis B is master of A, with a specific ratio. -Axis C is master of A, with a specific ratio. the result motion from B and C should be executed by A, proportionally in position and ratios from B and C. With standard softmotion libraries (MC_...) it is not possible (i couldn't) because it is allowed only one master with its ratio. I have made a similiar application in past, using MoveOverGear in order to synch gears before engage. Instead this time, i need to do a gear over gear application, using 2 different masters. The position have to be the sum of both masters (considering their ratios). Any clue about how to do it? Or were to find some FB that can do it?
Last updated: 2024-08-16

Post by salvadegianluca on List files in a directory with SysDiropen And SysDirRead ^{CODESYS Forge} ^talk ^(Post)
Good morning; I'm facing an issue that seems being caused by the library itself. I'm trying to create the list of all the files that are stored inside a psecific directory. Unluckily the first file is allways hidden. VAR CONSTANT arysEmptyArray:ARRAY[iArrayMinDimension..iArrayMAXDimension] OF STRING := [(iArrayMAXDimension - iArrayMinDimension)('')]; iArrayMinDimension:INT := 1; iArrayMAXDimension:INT := 99; END_VAR VAR_INPUT sDirectoryToInspect:STRING; sSearchFilter:STRING; END_VAR VAR_IN_OUT xCheckFileInsideDirectory:BOOL; END_VAR VAR arysListOfFoundFiles:ARRAY[iArrayMinDimension..iArrayMAXDimension] OF STRING; sNullString:STRING; iNullIndex:INT := 0; libInfoAboutThePath:DirInfo; libResultOfThePathMonitoring:CmpErrors.RTS_IEC_RESULT; libInstanceToMonitorThePath:CmpErrors.RTS_IEC_HANDLE; sEntityToSearch:STRING; dMaxEntityDimension:DINT := SIZEOF(sEntityToSearch); libFileInfo:DirInfo; sFilteredFileName:STRING; iIndexToScrollArrays:INT; END_VAR IF xCheckFileInsideDirectory THEN arysListOfFoundFiles:=arysEmptyArray; iIndexToScrollArrays:=iArrayMinDimension; libInstanceToMonitorThePath:= SysDirOpen(szDir:= sDirectoryToInspect,szDirEntry:=sNullString,diMaxDirEntry:= iNullIndex,pDirInfo:= ADR(libInfoAboutThePath),pResult:= ADR(libResultOfThePathMonitoring)); WHILE libResultOfThePathMonitoring = Errors.ERR_OK AND iIndexToScrollArrays <= iArrayMAXDimension DO sEntityToSearch:= ''; libResultOfThePathMonitoring:=SysDirRead(hDir:=libInstanceToMonitorThePath,szDirEntry:=sEntityToSearch,diMaxDirEntry:=dMaxEntityDimension,pDirInfo:=ADR(libFileInfo)); sFilteredFileName:= FUN_06_00_FindItemInString_0(sFilter:=sSearchFilter,sSource:=sEntityToSearch); IF sFilteredFileName <> '' THEN arysListOfFoundFiles[iIndexToScrollArrays]:=sFilteredFileName; iIndexToScrollArrays:=iIndexToScrollArrays + 1; END_IF IF libResultOfThePathMonitoring <> Errors.ERR_OK THEN libResultOfThePathMonitoring:= Errors.ERR_OK; END_IF END_WHILE libResultOfThePathMonitoring:=SysDirClose(hDir:= libInstanceToMonitorThePath); xCheckFileInsideDirectory:=FALSE; END_IF How is possible to solve this issue? Any known work around?
Last updated: 2024-09-17

Post by egau on Hard shutdown: no code on device after power on ^{CODESYS Forge} ^talk ^(Post)
Hi, We have a machine running Codesys on a Windows IPC (CODESYS Control Win v3 - x64). When we hard shutdown the machine, the code on the PLC sometimes becomes "corrupted" after a power on (When trying to login to the PLC, we get the message "The application 'Application' does not exist on device."). I've noticed these errors in the logs, but I'm not sure what to make of them. We are not using any RETAIN variables in our code, although I'm not sure about referenced librairies. (we are using the persistence manager). I'm pretty sure that not doing a graceful shutdown is the root cause of this. This being said, what is the proper way of doing a graceful shutdown? Is putting the Codesys application in "stop" sufficient? I know how to implement this, so if it works then it would be a quick fix. However, I think we need to add a UPS, which would detect power loss and inform the PLC that it needs to initiate its shutdown, and then the PLC would shutdown gracefully. Any help with this will be greatly appreciated :)
Last updated: 2024-10-03

Post by jeroenaero on Problem with CodeSys Control SL Deploy Tool 4.15.0.0 ^{CODESYS Forge} ^talk ^(Post)
Hello, We just installed the new version of CodeSys Control SL Deploy Tool 4.15.0.0 but we get the following error when we try to add a VPLC. Can someone of the CodeSys team fix this issue? the object reference is not set to an instance of the object Zie het einde van dit bericht voor meer informatie over het aanroepen van JIT-foutopsporing (Just In Time) in plaats van dit dialoogvenster. ** Tekst van uitzondering ** System.NullReferenceException: De objectverwijzing is niet op een exemplaar van een object ingesteld. bij _3S.CoDeSys.RuntimeDeployTool.Views.AddNewInstanceForm.ShowAllImages() bij _3S.CoDeSys.RuntimeDeployTool.Views.AddNewInstanceForm..ctor(List1 virtualControls, List1 existingNames) bij _3S.CoDeSys.RuntimeDeployTool.Views.MainEditorTab_Operation.OnAddInstanceClick() bij _3S.CoDeSys.RuntimeDeployTool.Views.MainEditorTab_Operation.bt_add_Click(Object sender, EventArgs e) bij System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e) bij System.Windows.Forms.ToolStripButton.OnClick(EventArgs e) bij System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e) bij System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e) bij System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met) bij System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met) bij System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea) bij System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) bij System.Windows.Forms.Control.WndProc(Message& m) bij System.Windows.Forms.ScrollableControl.WndProc(Message& m) bij System.Windows.Forms.ToolStrip.WndProc(Message& m) bij System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) bij System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) bij System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) ** Geladen assembly's ** mscorlib Assembly-versie: 4.0.0.0 Win32-versie: 4.8.9300.0 built by: NET481REL1LAST_C
Last updated: 2025-04-24

Post by ragarcia on Error while using UpdateConfiguredIPSettings to change IP address ^{CODESYS Forge} ^talk ^(Post)
Hello everyone, I am trying to change dynamically by code the IP address of a Weidmuller controller. So I am basically using IoDrvEthernet library to use UpdateConfiguredIPSettings function but I am getting constantly the 'INVALID_STATE' error. Even though I am following a procedure it should work: * First I added on the config file of codesys the following: [SysSocket] Adapter.0.Name="eth0" Adapter.0.EnableSetIpAndMask=1 Adapter.1.Name="eth1" Adapter.1.EnableSetIpAndMask=1 * Secondly I am first disabling the ethernet interface by using Ethernet_0.Enable = FALSE and then executing DED.Reconfigure. After that, I run the Ethernet_1.updateConfiguredIPSettings Code: Ethernet_1.Enable:= EnableDisable; Reconfigure(xExecute:= TRUE, itfNode:= Ethernet_1, xError=> ErrorReconfigure, eError=> ErrorCodeReconfigure); IF Reconfigure.xDone THEN ErrorCodeIP:= Ethernet_1.UpdateConfiguredIPSettings(IPAddress:= newIP, SubnetMask:= newMask, Gateway:= newGW); END_IF IF Reconfigure.xDone OR Reconfigure.xError THEN Reconfigure(xExecute:= FALSE); END_IF Ethernet_1.Enable:= TRUE; Reconfigure(xExecute:= TRUE, itfNode:= Ethernet_1); IF Reconfigure.xDone OR Reconfigure.xError THEN Reconfigure(xExecute:= FALSE); END_IF Can someone help me? Thank you. All I am trying is to find a way to change dynamically with code, the IP addresses of my controller (2 ethernet ports).
Last updated: 2023-12-11

Post by edepalos on Text list from sd card ^{CODESYS Forge} ^talk ^(Post)
Hi guys, I have a textlist in my project which is working just as expected in a drop down list. I would like to move this text list to a sd card and access it from there, because I want to ease the editing of the contents of this textlist. I'm imagining a solution like the operator shuts down the plant, takes the sd card out, edits the textlist on the card with a windows machines notepad, then reinserts the card in the PLC and restarts the plant, having the new content of the textlist populating the dropdown list. I'm sorry that I'm asking you to spoonfeed me, but I did not find anything straightforward to do this... I saw in the Project>Project settings>Visualisation a relative path thingy, but I have the plant in operation and I would not like to make 100 trial and errors right now... I'm also not interested in SysLib file read commands and stuff, I would just like to access the file from the cards part, I don't want to replace its contents dynamically or such... nor I have language files or recipes... Thank You in advance! Br, Ede
Last updated: 2024-01-16

Post by sigurdrb on send appliaction files to wago plc (codesys 3.5) via ssh ^{CODESYS Forge} ^talk ^(Post)
Hi, I was hoping I could send the two files "application.app" and "application.crc" directly to the directory "/home/codesys/PlcLogic/Application" instead of logging into the device with codesys, downloading the program to the controller and then do the "create boot application", so it will reboot with the correct program running. I think i also need to edit the file "eRUNTIME.cfg" located in the "/home/codesys/ folder, because when I create the boot application from the codesys IDE, these lines are added to the file: [CmpApp] Application.1 = Application [SysFileMap] /home/codesys/PlcLogic/Application/Application.app=0x212520, 0x2DBC747E, 2DBC747E.app I think the "eRUNTIME.cfg" file is the same as CODESYSControl.cfg I also dont know the purpose of the hexadecimal numbers etc. that is generated. When I tried to replicate what codesys was doing, I placed the same files in the same folder as when codesys generated the boot file. And also added the lines in the eRUNTIME.cfg file: [CmpApp] Application.1 = Application [SysFileMap] /home/codesys/PlcLogic/Application/Application.app The controller did not boot up with any program, so my method did not work at all. I guess these lines tells the controller to run an application and where to find it? Could any of you help me with the best way to get the compiled program to the controller without using codesys or wago-software?
Last updated: 2024-05-28

Post by blitz on Can't get SMC_SmoothPath to work ^{CODESYS Forge} ^talk ^(Post)
This code works well: PROGRAM PLC_PRG VAR execute : BOOL; abort : BOOL; doMDI : BOOL; manualDataInput : STRING(1024) := 'N5 G01 X0.00 Y200.00 N6 G01 X200.00 Y200.00 N7 G01 X200.00 Y0.00 N8 G01 X0.00 Y0.00'; stringStreamArray: ARRAY[0..NUMBER_OF_CHAINS-1] OF SMC_StringStream2 ; i : UDINT; readNCFromStream : SMC_ReadNCFromStream; sentencesFromStringSteam : SMC_GSentenceQueue ; interpreter : SMC_NCInterpreter; interpreterGeoInfoBuffer: ARRAY[1..GEO_INFO_BUFFERS_SIZE] OF SMC_GeoInfo; roundPath : SMC_RoundPath; roundPathGeoInfoBuffer: ARRAY[1..GEO_INFO_BUFFERS_SIZE] OF SMC_GeoInfo; END_VAR VAR CONSTANT MDI_FILE_NAME : STRING := 'MDI.nc'; NUMBER_OF_CHAINS : UDINT := 15; GEO_INFO_BUFFERS_SIZE : DINT := 500; END_VAR readNCFromStream.bExecute := interpreter.bExecute := roundPath.bExecute := execute; readNCFromStream.bAbort := interpreter.bAbort := roundPath.bAbort := abort; IF doMDI THEN stringStreamArray[0].Init(MDI_FILE_NAME); stringStreamArray[0].AppendData(manualDataInput); stringStreamArray[0].SetEndOfData(); i := 0 ; WHILE i < NUMBER_OF_CHAINS DO readNCFromStream.aStream[i] := stringStreamArray[i]; i := i + 1 ; END_WHILE readNCFromStream.bExecute := TRUE; IF readNCFromStream.bBusy THEN ; END_IF END_IF readNCFromStream( fDefaultVel := 10, fDefaultAccel := 10, fDefaultDecel := 10, fDefaultVelFF := 10, fDefaultAccelFF := 10, fDefaultDecelFF := 10, sentences := sentencesFromStringSteam ); interpreter( sentences:= sentencesFromStringSteam, nSizeOutQueue:= SIZEOF(interpreterGeoInfoBuffer), pbyBufferOutQueue:= ADR(interpreterGeoInfoBuffer)); roundPath( poqDataIn := interpreter.poqDataOut, dRadius := , dAngleTol := , nSizeOutQueue := SIZEOF(roundPathGeoInfoBuffer), pbyBufferOutQueue := ADR(roundPathGeoInfoBuffer));
Last updated: 2026-01-09

Post by clarenced on ERROR: Calling the program "AlarmStorage_Prg" is not allowed from multiple tasks ^{CODESYS Forge} ^talk ^(Post)
Using codesys v3.5 SP21 Patch 1. We are using Visualization to display alarms. Other then the automatically created AlarmManagerTask, there is no code written to call AlarmStorage_Prg. Any ideas why we would be seeing this error in the log? The runtime actually shutdown. Not sure if that was caused by this error or not. 2025-08-03T02:45:35.444Z, 0x00001012, 4, 0, 0, * ERROR: Calling the program "AlarmStorage_Prg" is not allowed from multiple tasks. 2025-08-03T03:48:15.294Z, 0x00001012, 4, 0, 0, * ERROR: Calling the program "AlarmStorage_Prg" is not allowed from multiple tasks. 2025-08-03T04:38:11.557Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state * We recommend a reboot of the controller now! * 2025-08-03T04:38:11.576Z, 0x0000010f, 8, 1, 0, #### Exception: SysSemEnter - Semaphore deadlock detected - owner thread died [tid:726740] - system may be in an inconsistent state. 2025-08-03T04:38:11.576Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state * We recommend a reboot of the controller now! 2025-08-03T04:38:11.576Z, 0x00000001, 8, 260, 3, #### Exception: HANDLED EXCPT* <excpt>NonContinuable</excpt> in CH_COMM_CYCLE 2025-08-03T04:40:12.308Z, 0x00000001, 1, 0, 35, CODESYS Control shutdown... 2025-08-03T04:40:13.436Z, 0x00000071, 1, 0, 13, Webserver stopped 2025-08-03T04:40:13.437Z, 0x00000114, 2, 1, 0, !!!! Warning: task_signalhandler_exit [MainTask] lost cycles: 14809 2025-08-03T04:40:13.497Z, 0x00000001, 1, 0, 10, [UNLOADED] IEC|Dynamic: <cmp>IecVarAccess</cmp>, <id>0x00001007</id> <ver>3.5.3.64</ver> 2025-08-03T04:40:13.506Z, 0x00000001, 1, 0, 10, [UNLOADED] IEC|Dynamic: <cmp>AlarmMgr</cmp>, <id>0x00001012</id> <ver>4.7.0.0</ver> 2025-08-03T04:40:13.513Z, 0x00000071, 2, 0, 14, !!!! Warning: Unbalanced calls to WebServerRequestRunning/WebServerReleaseRunning 2025-08-03T04:40:13.513Z, 0x00000001, 1, 0, 10, [UNLOADED] IEC|Dynamic: <cmp>IECVisualization</cmp>, <id>0x0000100c</id> <ver>4.7.0.0</ver> 2025-08-03T04:40:13.611Z, 0x00000124, 1, 0, 0, Provider 'AddressSpaceFragment Provider' (version 0x3051500) unregisterd at the OPC UA server. 2025-08-03T04:40:13.611Z, 0x00000124, 1, 0, 0, Provider 'OPC UA for IEC-61131-3' (version 0x3051500) unregisterd at the OPC UA server. 2025-08-03T04:50:17.708Z, 0x00000001, 1, 0, 36, CODESYS Control shutdown done
Last updated: 2025-08-04

Post by pppn on Issue with Forward Open Connections in Ethernet/IP Protocol Stack in Codesys ^{CODESYS Forge} ^talk ^(Post)
Hello, I am facing an issue with my Ethernet-based project in Codesys. My product was functioning well until I modified the protocol stack and uploaded it to my device. Here are the details of my problem: Project Setup: I am working on an Ethernet-based project to test my product. The project was running without issues before modifying the protocol stack. Issue: After modifying the protocol stack and uploading it to my device, I am encountering an error in Codesys related to the forward open connections. Error status: connection failure, extended: connection in use or duplicate forward open. According to the Ethernet/IP protocol in codesys, there are three forward open connections that need to be established. The first two connections are opening without any issues. The third connection, which is an input-only connection, is causing problems. The error message indicates that the connection is already open. Debugging Attempts: I have extensively debugged the protocol stack and found no issues. The product works well when tested with EIP tools but not with Codesys. Exclusive owner connections are working correctly, and only the input-only connection is problematic. Wireshark Traces: Wireshark traces show that the third connection attempts to open but reports that it is already open. Steps to Reproduce: Modify the protocol stack and upload it to the device. Attempt to establish three forward open connections in Codesys. Observe the error on the third connection (input-only). Request: I would appreciate any suggestions or guidance on how to resolve this issue. If there are specific settings or configurations in Codesys that I need to check, please let me know. Additionally, if there are known issues or workarounds related to this problem, I would be grateful for the information. Attachments: Wireshark traces showing the connection attempts and errors Screenshots of the error messages in Codesys codesys version: CODESYS V3.5 SP16 Patch 3 + 64 bit
Last updated: 2024-06-25

Post by pppn on Issue with Forward Open Connections in Ethernet/IP Protocol Stack in Codesys ^{CODESYS Forge} ^talk ^(Post)
Hello, I am facing an issue with my Ethernet-based project in Codesys. My product was functioning well until I modified the protocol stack and uploaded it to my device. Here are the details of my problem: Project Setup: I am working on an Ethernet-based project to test my product. The project was running without issues before modifying the protocol stack. Issue: After modifying the protocol stack and uploading it to my device, I am encountering an error in Codesys related to the forward open connections. Error status: connection failure, extended: connection in use or duplicate forward open. According to the Ethernet/IP protocol, there are three forward open connections that need to be established. The first two connections are opening without any issues. The third connection, which is an input-only connection, is causing problems. The error message indicates that the connection is already open. Debugging Attempts: I have extensively debugged the protocol stack and found no issues. The product works well when tested with EIP tools but not with Codesys. Exclusive owner connections are working correctly, and only the input-only connection is problematic. Wireshark Traces: Wireshark traces show that the third connection attempts to open but reports that it is already open. Steps to Reproduce: Modify the protocol stack and upload it to the device. Attempt to establish three forward open connections in Codesys. Observe the error on the third connection (input-only). Request: I would appreciate any suggestions or guidance on how to resolve this issue. If there are specific settings or configurations in Codesys that I need to check, please let me know. Additionally, if there are known issues or workarounds related to this problem, I would be grateful for the information. Attachments: Wireshark traces showing the connection attempts and errors Screenshots of the error messages in Codesys codesys version: CODESYS V3.5 SP16 Patch 3 + 64 bit
Last updated: 2024-06-25

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